package stool.juc.collection;

import java.util.Set;
import java.util.UUID;
import java.util.concurrent.CopyOnWriteArraySet;

/**
 * @author Felix
 * @Description CopyOnWriteArraySet
 * @Date 2023-02-18
 */
public class ConcurrentCollection5 {

    public static void main(String[] args) {
        Set<String> set = new CopyOnWriteArraySet<>();
        for (int i = 0; i < 30; i++) {
            new Thread(() -> {
                set.add(UUID.randomUUID().toString().substring(0,8));
                System.out.println(set);
            }, String.valueOf(i)).start();
        }
    }
}
